Prime Wireless Charger, Bluetooth Speaker & Clock RadioCharge your wireless charging enabled phone or listen to music via the Bluetooth speaker, or both at the same time if you like. The speaker can be charged and then used without a cable, but to use the wireless charger, it will need to be connected to a USB power source. 4. 9 ( h ) x 15 ( dia ) ABS FM radio alarm clock LED screen supports playback from smartphones, tablets or most other Bluetooth compatible audio devices TF card function non integrated